/**
 * @program: HadoopWebTest
 * @description:
 * @author: sruby
 * @create: 2019-10-02 22:43
 **/
package io.github.sruby.hadoop.mr;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;

import java.io.IOException;

/**
* @Description: reducer
* @author: sruby
* @Date: 2019-10-02 22:43
*/
public class MyReducer extends Reducer<Text, IntWritable,Text,IntWritable> {
    private IntWritable result = new IntWritable();

    @Override
    public void reduce(Text key, Iterable<IntWritable> values,
                       Context context) throws IOException, InterruptedException {
        int sum = 0;
        for (IntWritable val : values) {
            sum += val.get();
        }
        result.set(sum);
        context.write(key, result);
    }
}
